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TM 5-4210-233-14&P-1
4-167. FUEL LINES AND PIPING
THIS TASK COVERS:
a. Removal
c. Installation
b. Inspection
d. Follow-on Maintenance
TOOLS REQUIRED
EQUIPMENT CONDITION
Tool Kit, General Mechanics, Automotive
Main Engine Shutdown (see para 2-12.)
(Appendix B, Section III, Item 1)
APU Shutdown (see para 2-16.)
Batteries Disconnected (see para 4-114.)
MATERIALS/PARTS REQUIRED
Pipe Sealant (Item 2, Appendix E)
Teflon Tape (Item 58, Appendix E)
WARNING
Fuel is very flammable and can explode easily. To avoid serious injury or death,
keep fuel away from open fire and keep fire extinguisher within easy reach when
working with fuel. Do not work on fuel system when engine is hot. Fuel can be
ignited by hot engine. When working with fuel, post signs that read NO SMOKING
WITHIN 50 FEET OF VEHICLE.
a.
Removal.
NOTE
When disconnecting fuel lines, always place a pan beneath the disconnection point.
Be sure to catch all fuel.
(1) If leakage is detected, tighten connections and check for leaks when engine is running anduel
f
system is pressurized. No leaks are allowed.
(2) Tag all fuel lines before disconnecting. Note location and position of all fittings and elbows before
removal.
(3) Disconnect or remove fittings (1, 6, 7, 8 and 9), hoses (3 and 11), and elbows (4, 5, 12 and 13).
(4) Remove hose ends (2 and 10) from hoses (3 and 11) if needed.
b.
Inspection.
(1) Inspect all fittings, elbows and hose ends for stripped threads or damaged condition. Replace as
required.
(2) Inspect all hoses for leaks, cuts or damaged condition.
c.
Installation.
(1) Install hose ends (2 and 10) in hoses (3 and 11).
(2) Use teflon tape (Item 58, Appendix E) on all fuel system connections.
(3) install fittings (1, 6, 7,8 and 9), elbows (4, 5, 12 and 13) and hoses (3 and 11) as required.
4-449

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